Pentel Quick Click is the fast and convenient side-advance Mechanical Pencil! The quick side-advance button advances lead without interrupting your writing. Easy to use slide extends & retracts the long-lasting eraser. Latex-free eraser won't smudge, ghost or tear your paper. Fun clear barrel design with bright color accents. Latex-free grip for hours of comfortable writing. Preloaded with Pentel super Hi-Polymer HB lead; never needs sharpening, is super strong and writes a clear dark line. Available in 0. 5mm and 0. 7mm. Backed by a limited lifetime